Spectral Analysis of Long Electroencephalographic Records |
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Authors: | I G Nidekker A A Antonov |
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Institution: | (1) State Research Center Institute of Biomedical Problems,, Moscow, Russia |
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Abstract: | Spectral analysis of a 10-min electroencephalogram (EEG) record has made it possible to describe the behavior of EEG rhythms as a dynamic spectrum and find a distinct periodic pattern in this behavior. The data on the dynamic spectra of long EEGs offer a new insight into the estimation of the stability of EEG electrical processes in healthy subjects, inter- and intrahemispheric relationships between the electrical activities of different cortical regions, and estimation of phase relations, which were previously performed on the basis of comparison between single EEG spectral patterns. |
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